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Go to the Observing Notes for a Word pad file on observing comets.


Click on image for Clear Sky Chart 

The software listed here are used to created the Sky Events Calendar.

SkyTools V2 and CoelixApex. TheSky 6 used for verification of data.


ALL LAS MEETINGS CANCEL at TGCO this month

Important Announcement on access of TGCO and LAS observatory.

TGCO FALL OBSERVING NIGHTS

 (Access to scopes not to classroom building)

Mars opposition October 13, 2020.

Apparent disk diameter then; 22.4 arcseconds.

Start observing now!


  • Nov   3 7:30 p.m. Tuesday Monthly Meeting at T.G.Cupillari Observatory
  • Nov   7 8:00 p.m. Saturday Club Observing Night
  • Nov 10 8:30 p.m. Tuesday Board of Directors meeting

Link to Moon Phases and libration for this Month

Nov 8  Nov 15  Nov 22  Nov 30

EVENTS IN THE SKY

Lunar Phases this Month

Nov   8 Third Quarter Moon
Nov 14 6:49 am 357838 km at Perigee
Nov 15 New Moon
Nov 22 First Quarter Moon
Nov 28 7:30 pm 405890 km at Apogee
Nov 30 Full Moon and Penumbra Eclipse

Comets:  Current comets

Evening Sky
2020 Nov 1 Flora  at opposition in Cetus, Mag. 8.0, (click on name for map)

Morning Sky, 1 hour before Sunrise in the east.
2020 Nov 10 Mercury Greatest Western Elongation, Diam=7″, Mag=-0.5 (low altitude)
2020 Nov 10 Mercury and Venus 13 degrees apart
2020 Nov 12 Crescent Moon and Venus 7 degrees apart
2020 Nov 13 Moon and Mercury 5 degrees apart

Evening Sky, in the SSW sky early evening
2020 Nov 19 Saturn and Jupiter 4.5 degrees apart
2020 Nov 19 Moon and Jupiter 7 degrees apart
2020 Nov 19 Moon and Saturn 5 degrees apart
2020 Nov 25 Moon and Mars 4 degrees apart

Morning Sky in the west, Penumbra Eclipse, half of the Moon in penumbra shadow NOT a TOTAL Eclipse
2020 Nov 30 02:31 am Lunar Eclipse, Enter Penumbra,
2020 Nov 30 03:25 am Lunar Eclipse, Penumbra First Visible
2020 Nov 30 04:44 am Lunar Eclipse, Mid-eclipse    Link to Graphic 
2020 Nov 30 06:02 am Lunar Eclipse, Penumbra Last Visible
2020 Nov 30 06:55 am Lunar Eclipse, Exit Penumbra

Visible Phenomena of the Galilean satellites for NEPA

Variable Stars 
Times are given in standard time for Fleetville PA LASO

Date Hour Description of the phenomenon
yyyy mm dd hh:mm
2020 11 03   20:13 Maximum of the variable star eta Aquilae
2020 11 07   23:40 Minimum of the variable star beta Lyrae
2020 11 08   20:50 Maximum of the variable star zeta Gemini
2020 11 10   01:33 Minimum of the variable star Algol (beta Persei)
2020 11 12   18:05 Maximum of the variable star delta Cephei
2020 11 12   22:22 Minimum of the variable star Algol (beta Persei)
2020 11 15   19:11 Minimum of the variable star Algol (beta Persei)
2020 11 20   22:15 Minimum of the variable star beta Lyrae
2020 11 28   20:28 Maximum of the variable star delta Cephei


December 2020

  • Dec   1 7:30 p.m. Tuesday Monthly Meeting at T.G.Cupillari Observatory
  • Dec   5 8:00 p.m. Saturday Club Observing Night

Link to Moon Phases and libration for this Month

Dec 7  Dec 14  Dec 21  Dec 29

EVENTS IN THE SKY

Lunar Phases this Month

Dec   7 Third Quarter Moon
Dec 12 3:43 pm 361776 km at Perigee
Dec 14 New Moon
Dec 21 First Quarter Moon
Dec 24 11:33 am 405009 km at Apogee
Dec 29 Full Moon

Meteor Shower: 2020 Dec 13-14 Geminids Meteors peak, Moonlight Interferes.

Comets:  Current comets

Morning Sky, 1 hour before Sunrise in the east.
2020 Dec 12 18:01 Crescent Moon and Venus 4 degrees apart

Evening Sky, in the SSW sky early evening
2020 Dec 17 Saturn and Jupiter 0.5 degrees apart (very close)
2020 Dec 17 Thin Crescent Moon and Jupiter 9 degrees apart
2020 Dec 17 Thin Crescent Moon and Saturn 9 degrees apart

2020 Dec 21 Saturn and Jupiter 6 minutes apart (extremely close)
2020 Dec 23 Moon and Mars 5 degrees apart

Visible Phenomena of the Galilean satellites for NEPA

Variable Stars 
Times are given in standard time for Fleetville PA LASO

Date Hour Description of the phenomenon
yyyy mm dd hh:mm
2020 12 03   00:04 Minimum of the variable star Algol (beta Persei)
2020 12 04   05:16 Maximum of the variable star delta Cephei
2020 12 05   20:54 Minimum of the variable star Algol (beta Persei)
2020 12 14   22:51 Maximum of the variable star delta Cephei
2020 12 23   01:48 Minimum of the variable star Algol (beta Persei)
2020 12 25   22:37 Minimum of the variable star Algol (beta Persei)
2020 12 31   01:14 Maximum of the variable star delta Cephei


January 2021

  • Jan     1? 7:30 p.m.  Tuesday Monthly Meeting at T.G.Cupillari Observatory
  • Jan     5 8:00 p.m. Saturday Club Observing Night
  • Jan     8 8:30 p.m. Tuesday Board of Directors meeting

EVENTS IN THE SKY

Link to Moon Phases and libration for this Month

Jan 6   Jan 10   Jan 20   Jan 24 

Lunar Phases this Month

Jan   6 LAST QUARTER OF THE MOON
Jan   9 10:39 am dist. 367387 km at Perigee
Jan 13 NEW MOON
Jan 20 FIRST QUARTER OF THE MOON 
Jan 21 08:11 am dist. 404360 km at Apogee
Jan 28 14:16 FULL MOON

Occultations

Times are given in standard time for TGCO-LASO

Date Hour Description of the phenomenon
yyyy mm dd hh:mm

2021 01 01 04:44 Beginning of occultation of 43-gamma Cnc, (magn. = 4.66)
2021 01 01 05:24 End of occultation of 43-gamma Cnc, (magn. = 4.66)
2021 01 03 03:57 Beginning of occultation of 46 Leo (magn. = 5.43)
2021 01 03 05:16 End of occultation of 46 Leo (magn. = 5.43)

Meteor shower: Quadrantids 2021 01 03 02:42 Transit 08:30 ,  ZHR=120

Comets:  Current comets

Evening Sky in the west at Sunset
2021 Jan 21 08:50 Opposition of the asteroid 15 Eunomia with the Sun (dist. to the Sun = 2.559 AU; magn. = 8.5)
2021 Jan 20 Close encounter between Mars and Moon (separation 6°)
2021 Jan 20 Close encounter between Mars and Uranus (separation 1.6°)
2021 Jan 23 Close encounter between the Moon and Aldebaran (separation 4.4°)
2021 Jan 24 GREATEST EASTERN ELONGATION of Mercury sep.(18.6°)
2021 Jan 25 Close encounter between the Moon and M 35 (sep. 18 arc minutes)
2021 Jan 30 Close encounter between the Moon and Regulus

Variable Stars 
Times are given in standard time for Fleetville PA 

Date Hour Description of the phenomenon
 yyyy mm dd hh:mm
2021 01 08 18:19 Maximum of the variable star zeta Gemini
2021 01 10 18:50 Maximum of the variable star delta Cephei
2021 01 12 03:32 Minimum of the variable star Algol (beta Persei)
2021 01 15 00:21 Minimum of the variable star Algol (beta Persei)
2021 01 16 03:38 Maximum of the variable star delta Cephei
2021 01 17 21:11 Minimum of the variable star Algol (beta Persei)
2021 01 18 21:55 Maximum of the variable star zeta Gemini
2021 01 20 18:00 Minimum of the variable star Algol (beta Persei)
2021 01 21 18:57 Maximum of the variable star eta Aquilae
2021 01 26 21:14 Maximum of the variable star delta Cephei
2021 01 28 23:12 Maximum of the variable star eta Aquilae
2021 01 29 01:31 Maximum of the variable star zeta Gemini


February 2021

  • Feb     4 7:30 p.m. Tuesday Monthly Meeting at T.G.Cupillari Observatory
  • Feb     8 8:00 p.m. Saturday Club Observing Night
  • Feb   11 8:30 p.m. Tuesday Board of Directors meeting

Link to Moon Phases and libration for this Month

Feb 4   Feb 13   Feb 19   Feb 27

EVENTS IN THE SKY 

Lunar Phases this Month

Feb   3 14:33 Moon at perigee (geocentric dist. = 370116 km)
Feb   4 LAST QUARTER OF THE MOON
Feb 11 NEW MOON
Feb 18 05:22 Moon at apogee (geocentric dist. = 404467 km)
Feb 19 FIRST QUARTER OF THE MOON
Feb 27 FULL MOON

Comets:  Current comets

Evening Sky in the south and west

Feb 13 Moon is 4.4° left of Neptune, low in west at sunset
Feb 17 Moon is 3.5° left of Uranus
Feb 18 Moon and Mars are 3.7° separation
Feb 23 Fat Gibbous Moon is 3.9° below Pollux
Feb 24 Near Full Moon is 2.1°above M 44

Variable Stars 
Times are given in standard time for Fleetville PA LASO

Date Hour Description of the phenomenon
yyyy mm dd hh:mm

2021 02 01 06:02 Maximum of the variable star delta Cephei
2021 02 06 22:56 Minimum of the variable star Algol (beta Persei)
2021 02 09 19:45 Minimum of the variable star Algol (beta Persei)
2021 02 11 23:37 Maximum of the variable star delta Cephei
2021 02 12 16:34 Minimum of the variable star Algol (beta Persei)
2021 02 22 17:12 Maximum of the variable star delta Cephei
2021 02 26 16:08 Maximum of the variable star eta Aquilae


March 2021

  • Mar     2 7:30 p.m. Tuesday Monthly Meeting at T.G.Cupillari Observatory
  • Mar     6 8:00 p.m. Saturday Club Observing Night
  • Mar     9 8:30 p.m. Tuesday Board of Directors meeting

Link to Moon Phases and libration for this Month

Mar 5   Mar 13   Mar 21   Mar 28

EVENTS IN THE SKY 

Lunar Phases this Month

2021 03 02 01:19 Moon at perigee (geocentric dist. = 365423 km)
2021 03 05 21:30 LAST QUARTER OF THE MOON
2021 03 13 06:21 NEW MOON
2021 03 18 01:04 Moon at apogee (geocentric dist. = 405253 km)
2021 03 21 10:40 FIRST QUARTER OF THE MOON
2021 03 28 14:48 FULL MOON
2021 03 30 02:12 Moon at perigee (geocentric dist. = 360309 km)

Occultations

Times are given in standard time for TGCO-LASO

Date Hour Description of the phenomenon
yyyy mm dd hh:mm

2021 03 02 06:22 Beginning of occultation of 74 Vir (magn. = 4.68)
2021 03 02 23:30 End of occultation of 98-kappa Vir (magn. = 4.18)
2021 03 06 04:51 Beginning of occultation of 39-omicron Oph (magn. = 5.12)
2021 03 06 06:04 End of occultation of 39-omicron Oph (magn. = 5.12)
2021 03 20 22:24 Beginning of occultation of 121 Tau (magn. = 5.37)
2021 03 20 23:30 End of occultation of 121 Tau (magn. = 5.37)

Comets:  Current comets

Evening
2021 Mar 04 Close encounter between Mars and the Pleiades, (separation 2.4°)

Morning east horizon low on horizon before sunrise, difficult
2021 Mar 06 GREATEST WESTERN ELONGATION of Mercury (27.3°)
2021 Mar 06 Close encounter between Mercury, 01.mag and Jupiter, -2 mag (separation 0.6°)

Evening
2021 Mar 19 Close encounter between the Moon and Mars, separation = 3.0°
2021 Mar 25 Close encounter between the Moon and Regulus (separation 4.5°)

Variable Stars 
Times are given in standard time for Fleetville PA LASO

Date Hour Description of the phenomenon
yyyy mm dd hh:mm

2021 03 01 22:31 Minimum of the variable star Algol (beta Persei)
2021 03 04 19:19 Minimum of the variable star Algol (beta Persei)
2021 03 05 20:04 Maximum of the variable star khi Cygni
2021 03 05 21:22 Maximum of the variable star eta Aquilae
2021 03 07 16:09 Minimum of the variable star Algol (beta Persei)
2021 03 10 16:58 Maximum of the variable star zeta Gemini
2021 03 10 20:36 Maximum of the variable star delta Cephei
2021 03 16 05:23 Maximum of the variable star delta Cephei
2021 03 16 06:37 Minimum of the variable star Algol (beta Persei)
2021 03 19 03:26 Minimum of the variable star Algol (beta Persei)
2021 03 20 05:49 Maximum of the variable star eta Aquilae
2021 03 20 20:34 Maximum of the variable star zeta Gemini
2021 03 22 00:15 Minimum of the variable star Algol (beta Persei)
2021 03 24 21:04 Minimum of the variable star Algol (beta Persei)
2021 03 26 22:58 Maximum of the variable star delta Cephei
2021 03 27 17:54 Minimum of the variable star Algol (beta Persei)
2021 03 31 00:11 Maximum of the variable star zeta Gemini


 

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